she was shot by the taliban in october for promoting women's righting. >>> "the wall street journal" offers strategists on cutting taxes. rates went up for the highest earners. there are new taxes covering the health care overall. one of the tax-fighting tips is donating stocks to charity. >>> health officials want to ban energy drinks that have too much caffeine. this study found that it can kauft insomnia, fast heart beat, and seizures. >>> there was a twitter competition about the brownout. you can still dunk in the dark. it's been retweeted 14,000 times and was a very smart turnaround during that. >> so clever so quickly. >>> and the average cost for a commercial in last night's super bowl, nearly $4 million. cbs news analyst frank luntz brought together viewers to see which ads worked and which didn't. good morning. >> good morning. >> you testified these, people can turn their dial where they approve or disapprove of it. what was the best ad? >> the best ad and it 'been a best ad for many years, anheuser-busch. it is very easy to make them laugh at a super bowl but it's hard to